Zobrazeno 1 - 10
of 185
pro vyhledávání: '"Hak-Ju Lee"'
Publikováno v:
Energies, Vol 14, Iss 16, p 4947 (2021)
Power utilities worldwide commonly use the radial distribution system because of its advantages of being simple in structure and having relatively inexpensive installation costs. It has a disadvantage in that its power supply reliability is low becau
Externí odkaz:
https://doaj.org/article/42b796f23e8a46a58fb447ea4b2efcaf
Publikováno v:
Energies, Vol 14, Iss 2, p 457 (2021)
Stand-alone microgrids integrating renewable energy sources have emerged as an efficient energy solution for electrifying isolated sites, such as islands and remote areas. The design of a microgrid involves various influential factors, including tech
Externí odkaz:
https://doaj.org/article/671fe10f571c44dc9440a79c039fe07f
Publikováno v:
Energies, Vol 13, Iss 17, p 4415 (2020)
Reliability is an important index which determines the power service and quality provided to customers. As the demand increases continuously and the system changes in accordance with the environmental regulation, the reliability assessment in the dis
Externí odkaz:
https://doaj.org/article/7e60ba8d188f45d3ba9490f0e1634122
Publikováno v:
Energies, Vol 8, Iss 8, Pp 8193-8210 (2015)
In this paper, we present the results of an economic feasibility study and propose a system structure to test and maintain electrical stability. In addition, we present real operation results after constructing a remote microgrid on an island in Sout
Externí odkaz:
https://doaj.org/article/007a9d52ae544b34988f483104a82d90
Publikováno v:
Energies, Vol 7, Iss 2, Pp 1076-1094 (2014)
With power systems switching to smart grids, real-time and on-line monitoring technologies for underground distribution power cables have become a priority. Most distribution components have been developed with self-diagnostic sensors to realize self
Externí odkaz:
https://doaj.org/article/3ad017464e0e4770843a2af2d0fbc6b9
Publikováno v:
Energies, Vol 6, Iss 10, Pp 4956-4979 (2013)
Microgrids can be considered as controllable units from the utility point of view because the entities of microgrids such as distributed energy resources and controllable loads can effectively control the amount of power consumption or generation. Th
Externí odkaz:
https://doaj.org/article/d9cb0146f6d44ac2ad7ecff189154a2b
Publikováno v:
Energies, Vol 5, Iss 9, Pp 3248-3265 (2012)
In a conventional distribution system, protection algorithms are designed to operate on a unidirectional high fault-current level. In a microgrid, a fault current from distributed generation (DG) may bring about a relay malfunction because of the bid
Externí odkaz:
https://doaj.org/article/ee7f1c368e9645dc839350e42d79f9bf
Publikováno v:
Energies, Vol 11, Iss 6, p 1371 (2018)
Optimal operation of the battery energy storage system (BESS) is very important to reduce the running cost of a microgrid. Rolling horizon-based scheduling, which updates the optimal decision based on the latest information, is widely applied to micr
Externí odkaz:
https://doaj.org/article/72c69878ff404e4baf0bac8b55f9f6b2
Autor:
Hak Ju Lee
Publikováno v:
The Korean Literature and Arts. 43:127-159
Autor:
Hak-Ju Lee
Publikováno v:
STUDIES IN HUMANITIES. 73:257-274